12
KDC-W4031/W4031Y/W409/W409Y
KDC-W431GY/W4531/W4531Y/WF431A
ADJUSTMENT
After replacing the following parts, adjust as follows.
REPLACED PARTS
ADJUSTMENT ITEMS
Ref. No. Function / Parts name
1st AM MIX 2nd AM MIX FM antenna
IC10
E-VOL & TUNER
YES
YES
YES
IC11
E2PROM
YES
YES
YES
L507
VCO COIL
YES
YES
YES
L508
1st AM MIX IFT
YES
-
-
L509
2nd AM MIX IFT
-
YES
-
L518
FM ANTENNA COIL
-
-
YES
D504
VARIABLE
YES
YES
YES
CAPACITANCE DIODE
D506
VARIABLE
YES
YES
YES
CAPACITANCE DIODE
X501
CRYSTAL RESONATOR
YES
YES
YES
●
1st AM MIX / 2nd AM MIX ADJUSTMENT
ADJUSTMENT POINT : L508 (1st AM MIX) / L509 (2nd AM
MIX)
VOLTAGE VALUE CHECK POINT : S-METER check land (X34-)
Adjust so that S-METER voltage value becomes maximum.
• SG setting
DESTINATION
FREQUENCY MODULATION
ANTENNA INPUT
Europe
999kHz
OFF
35dB
µ
V (EMF)
Except Europe
1000kHz
OFF
35dB
µ
V (EMF)
●
FM ANTENNA ADJUSTMENT
ADJUSTMENT POINT : L518
VOLTAGE VALUE CHECK POINT : S-METER check land (X34-)
Adjust so that S-METER voltage value becomes maximum.
• SG setting
DESTINATION
FREQUENCY MODULATION
ANTENNA INPUT
Europe
87.5MHz
OFF
5dB
µ
V (LOAD) or
11dB
µ
V (EMF)
Except Europe
87.9MHz
OFF
5dB
µ
V (LOAD) or
11dB
µ
V (EMF)